Finding the Fourth Proportional to 7,541,620.18, 10,407,562.05 and 4,103,913.94
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Solution
The fourth proportional to 7,541,620.18, 10,407,562.05 and 4,103,913.94 is: 5,663,469.91
Step by Step Solution
- Step 1: Write the proportion equation
7,541,620.18 : 10,407,562.05 = 4,103,913.94 : x - Step 2: Convert to fraction form
7,541,620.18/10,407,562.05 = 4,103,913.94/x - Step 3: Cross multiply
7,541,620.18x = 10,407,562.05 × 4,103,913.94 - Step 4: Simplify right side
7,541,620.18x = 42,711,738,978,409.98 - Step 5: Solve for x
x = 42,711,738,978,409.98/7,541,620.18 - Step 6: Final answer
x = 5,663,469.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.